Knife Fighting Training Piper Knife Fighting – The Truth (3) Posted on September 16, 2017 by enginejuan 16 Sep Official Piper Video -founder of the Piper system, Nigel February demonstrating and explaining the major components of Piper. Published by Pieter van der Walt … How To Start A Fire With A Bootlace & Pocket Knife Trapping a Knife in Close Quarter Combat